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Magnetization curves and Bean's model in high-T c superconductors (1989)

Ravi Kumar, G. ; Chaddah, P.

Springer

Journal of superconductivity 2 (1989), S. 247-251

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Details

ISSN: 1572-9605

Schlagwort(e): Magnetization curves ; Bean's model, High-T c superconductors ; lower critical field

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract High-T c superconductors have critical currents that decay sharply with increasing magnetic field. We solve Bean's model forJ c decaying exponentially withH and obtain qualitative agreement with existing magnetization data. We show thatH c1 cannot be obtained from the linear part of the magnetization curve; it can only be inferred from a low-field anomaly in the hysteresis curve. Presently quoted values ofH c1 ,based on the linear part of the magnetization curve, are gross overestimates.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00617875

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